Abstract
Research is performed for determining the gallium content in metallurgical materials of domestic and overseas enterprises. The results demonstrate that gallium passes into iron and it is concentrated in blast furnace slurry. A study of the behavior of gallium in a blast furnace smelting by physical and thermodynamic simulation shows that the increased gallium content of blast furnace slurry is connected with formation under blast furnace smelting conditions of metal sublimate whose source is the organic part of coke. Analysis of physical modelling data makes it possible to suggest development of isomorphous reciprocal substitution of gallium and iron in iron-gallium-aluminum oxide solution, and also formation of metal phase whose composition corresponds to the formula Fe3Ga. The possibility is demonstrated and technology is proposed for obtaining gallium metal from pig iron used as a raw material.
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